BOTANICAL CUBE is a professional Sophora Japonica Extract Powder manufacturer and supplier, specializing in the research, production, and global supply of high-quality botanical extracts for dietary supplements, functional foods, beverages, and nutraceutical applications.
As one of the trusted Sophora Japonica Extract suppliers, we support OEM, private label, and customized specifications to meet different formulation requirements.
What Is Sophora Japonica Extract Powder?
Sophora japonica flower extract powder is a natural botanical ingredient extracted from the flower buds of Sophora japonica, a plant traditionally used in Asian botanical applications.
The extract is naturally rich in flavonoid compounds, especially quercetin and rutin, which are widely studied plant polyphenols used in nutritional supplements and functional ingredient formulations. Our bulk sophora japonica extract is manufactured using standardized extraction technology to achieve consistent quality, excellent stability, and reliable batch-to-batch performance.
Why Choose Our Sophora Japonica Extract Powder?
Quality Raw MaterialsSelected Sophora japonica flower buds with strict quality control from sourcing to packaging.
Professional ManufacturingAdvanced extraction and production processes ensure stable quality, consistent active ingredients, and reliable supply.
High-Quality Quercetin ExtractRich in natural quercetin and flavonoids, with standardized specifications, full traceability, and complete quality documents.
COA (Certificate of Analysis)
| Category | Test Item | Specification | Result | Test Method |
|---|---|---|---|---|
| Physical Description | Appearance | Yellow-green fine powder | Conforms | Visual |
| Odor | Characteristic odor of Sophora flower | Conforms | Organoleptic | |
| Taste | Characteristic taste of Sophora flower | Conforms | Organoleptic | |
| Bulk Density | — | 0.51 g/ml | USP616 | |
| Particle Size | 95% through 80 mesh | Conforms | CP2015 | |
| Chemical Test | Quercetin | ≥95% | 95.41% | HPLC |
| Moisture | ≤1% | 0.34% | CP2015 (105°C, 4h) | |
| Ash | ≤1% | 0.27% | CP2015 | |
| Total Heavy Metals | <10 ppm | Conforms | CP2015 | |
| Microbiology Control | Aerobic Bacterial Count | ≤1,000 CFU/g | Conforms | GB4789.2 |
| Yeast | ≤100 CFU/g | Conforms | GB4789.15 | |
| Mold | ≤100 CFU/g | Conforms | GB4789.15 | |
| Escherichia Coli | <3.0 MPN/g | Conforms | GB4789.38 | |
| Salmonella | Not Detected | Conforms | GB4789.4 | |
| Staphylococcus Aureus | Not Detected | Conforms | GB4789.10 |
Applications of Sophora Japonica Extract Powder

Dietary Supplements
- Capsules
- Tablets
- Functional powders
- Nutritional formulas

Functional Foods
- Health food products
- Plant-based nutrition products
- Wellness formulas

Functional Beverages
- Botanical beverages
- Nutritional drinks
- Powdered drink mixes

Cosmetics & Personal Care
- Beauty products
- Personal care formulations
- Botanical skincare products
Why Do Global Buyers Choose Us?
Manufacturer Direct Supply
- Competitive pricing
- Stable inventory
- Faster communication
- Better customization options
Complete Quality Documentation
- COA & Specification Sheet
- MSDS & Testing Reports
- Traceability Documentation
OEM & Private Label Support
- Custom specifications
- Customized packaging
- Private label solutions
- Product development support
Bulk Sophora Japonica Extract Powder Wholesale Supply
For companies purchasing botanical ingredients in large quantities, we provide professional wholesale solutions. Whether you are a supplement manufacturer, ingredient distributor, or health product brand, our team can provide: Bulk pricing options, Sample evaluation, Technical documents, Production schedules, and International shipping support.
Quality Assurance & Manufacturing Standards

Raw Material Testing
- Botanical identity & Purity
- Appearance & Potential contaminants

Production Control
- Extraction parameters
- Drying conditions
- Processing consistency

Finished Product Testing
- Active compounds
- Microbiological safety
- Physical properties
Certificate

FAQ
Request Sample & Bulk Quote
Contact BOTANICAL CUBE for:
- Bulk pricing
- Free sample evaluation
- Technical specifications
- Customized solutions
- Long-term supply partnership
Our team provides professional support for global supplement brands, distributors, and manufacturers.
Get in touch today to discuss your bulk Sophora Japonica Extract requirements.




